Finding the Fourth Proportional to 80,772.32, 111,463.94 and 50,574.29

Step by Step Solution

1. Step 1: Write the proportion equation
   80,772.32 : 111,463.94 = 50,574.29 : x
2. Step 2: Convert to fraction form
   80,772.32/111,463.94 = 50,574.29/x
3. Step 3: Cross multiply
   80,772.32x = 111,463.94 × 50,574.29
4. Step 4: Simplify right side
   80,772.32x = 5,637,209,626.10
5. Step 5: Solve for x
   x = 5,637,209,626.10/80,772.32
6. Step 6: Final answer
   x = 69,791.35